Vista Posteos

HFC-152a WanJie International Co., Ltd, a China-based trader and manufacturer
Heptafluoropropane | Ethylene dibromide | Heptafluoropropane | Acetamiprid | Thiamethoxam
HFC-152a WanJie International Co., Ltd, a China-based trader and manufacturer
HFC-152a
3

Identification

Synonyms: 1,1-Difluoroethane (IUPAC); Ethylidene Difluoride; Freon 152a; R-152a; Fluorocarbon 152a; HFC152a
CAS No.: 75-37-6   EC No.: 200-866-1   RTECS No.: KI1410000
Molecular Weight:  66.05
Molecular Formula: C2H4F2
Structural Formula:
m.p.: -117°C
b.p. (1 atm): -24.7°C
Vapor Pressure: 0.599Mpa
Critical T.: 113.5°C
Critical P.: 45.0 mPa
Critical Density: 0.365g/cm3
ODP: 0
GWP: 120 (CO2=1)
Chemical and Physical properties: HFC-152 is a colorless, odorless compressed gas, stable under normal condition
(Note: 1,2-difluoroethane: HFC-152)

Preparation

HFC-152a (Difluoroethane) can be made by the following reaction under mercury-based catalyst: HC≡CH + 2HF → CH3CHF2

Application

1) HFC-152a (Difluoroethane) is used as electronic cleaning solvent
2) Used as consumer aerosol propellant, especially those subject to stringent VOC requirements, alternative for CFC-12
3) Used as a component of azeotopic blend refrigerant such as R-401a (with 13% HFC-152a), R-401b (with 11% HFC-152a), R-401C (with 15% HFC-152a) and R-411a (with 11% HFC-152a) and R-411b (with 3% HFC-152a)

Specification

 Items
Specification
 
First
Second
Third
HFC-152a (Difluoroethane)purity, %
99.9 min
99.8 min
99.5 min
moisture, mg/kg
10 max
10 max
20 max
acidity, ppm
0.1 max
0.1 max
1.0max
nonvolatile residues, mg/kg
100 max
100 max
100 max
noncondensable gas in vapor phase, %
1.5
1.5
1.5

Standard Packaging

740kgs/cylinder,  9.62mt/20' FCL
Filling ratio 0.79

Risks and Safety Information

HFC-152a (Difluoroethane) is regulated by the UN as hazardous substance
Flammable gas
UN1030
Class 2.1
PG: unknown
R-Phrase: R12
S-Phrase: S7, S16, S33, S43
For more information, please see MSDS
Add Time : [2011-12-12]back
Thiacloprid
Phosphorous acid
Polyphosphoric acid
Monopotassium phosphite
Dichlorotrifluoroethane


Other About blog



About wanjieinternational.com blog
agostinovern 14.01.2012 0 855
Publicidad

Bloque HTML
Comentarios
Ordenar por: 
Por página:
 
  • Aún no hay comentarios
Información de Entrada
14.01.2012 (4695 días)
Publicidad

 

 

 

Calificar
0 votos
Recomendar
Acciones
Categorías
Blogging for Money (60 publicaciones)
Books (69 publicaciones)
City Blogs (63 publicaciones)
Dating and Personals (55 publicaciones)
Entertainment Blogs (55 publicaciones)
Food Blogs (41 publicaciones)
Games (65 publicaciones)
Health (56 publicaciones)
Holidays (60 publicaciones)
Lifestyle (66 publicaciones)
Movies (52 publicaciones)
Music (63 publicaciones)
Politics (45 publicaciones)
Tech News (49 publicaciones)
Videos (50 publicaciones)
Etiquetas
2010 Pro Bowl jerseys_NFL pro bowl jerseys_NHL jerseys wholesale 2010 wedding dresses 2011 top tv series Alti Pump 140mm Christian Louboutin Boots Christian Louboutin Ankle Boots Christian Louboutin Evening Christian Louboutin Mary Janes Christian Louboutin Peep-toe Christian Louboutin Pumps Christian Lo Apple A1022 Battery 4400mAh replacement [lbp0618] Most Popular New Products Acer Laptop Battery HP Laptop Battery Dell Laptop Battery IBM Laptop Battery Sony laptop battery Toshiba Laptop Battery Appl Argyle Knit Boots stroe Baby UGG Boots Black [10171] UGG Slippers Womens UGG Boots Kids Ugg Boots UGG Argyle Knit Boots UGG Bailey Button Boots UGG Nightfall Boots UGG Roxy Short Boots UGG Sundance Boots UGG Cable Knit Boots Baby UGG Boots Green [10137] UGG Slippers Boots Women Bailey Button Boots UGG Classic Argyle Knit Boots UGG Classic Cardy Boots UGG Classic Tall Paisley Boots UGG Classic Mini Boots UGG Classic Short Bailey Button UGG Belstaff Blouson Jackets online Belstaff Daytona Blouson Black-Brown [Belstaff063] Belstaff Jackets Belstaff Bags Belstaff Wallets Belstaff Blouson Belstaff Sunglasses Belstaff Coats Belstaff T-Shirt Belstaff Blazer Belstaff Jackets Belstaff Bags Belstaff Wallets Belstaff Blouson Belstaff Sunglasses Belstaff Coats Belstaff T-Shirt Belstaff Blazer All Products Belstaff Jackets Belstaff Bags Belstaff Wallets Belstaff Blouson Belstaff Sunglasses Belstaff Coats Belstaff T-Shirt Belstaff Blazer Specials Belstaff Jackets Belstaff Bags Belstaff Wallets Belstaff Blouson Belstaff Sunglasses Belstaff Coats Belstaff T-Shirt Belstaff Blazer Wholesale Belstaff Jackets Brooklands Blouson Lady Classic Black [Belstaff074] Belstaff Jackets Belstaff Bags Belstaff Wallets Belstaff Blouson Belstaff Sunglasses Belstaff Coats Belstaff T-Shirt Belstaff Blaze Belstaff Jackets Men Red Brown Trialmaster Jackets [Belstaff1073] Belstaff Leather Jackets Belstaff Jackets Men Belstaff Blouson Belstaff Jackets Women Belstaff Jackets 2011 Belstaff Bags Belstaff New Travel Bag in Burnt Yellow [Belstaff139] Belstaff Jackets Belstaff Bags Belstaff Wallets Belstaff Blouson Belstaff Sunglasses Belstaff Coats Belstaff T-Shirt Belstaff Blazer Belstaff Outlet Belstaff Dark Night Blouson Red Black [Belstaff1153] Belstaff Leather Jackets Belstaff Jackets Men Belstaff Blouson Belstaff Jackets Women Belstaff Jackets 2011 Belstaff Bags Belstaff Outlet New Marten Blazer Black [Belstaff1175] Belstaff Leather Jackets Belstaff Jackets Men Belstaff Blouson Belstaff Jackets Women Belstaff Jackets 2011 Belstaff Bags Bridal Party Dresses